12kv electrica vcb for switchgear
Product Description
Product Description
ZN63A(VS1)-12 circuit breaker
1.1 Suitable for three-phase AC, 50Hz, rated voltage of 12kV power system;
1.2 Can be used as a protection and control unit for industrial and mining enterprises and Substation equipment;
1.3 Can be used for KYN28-12 and other central Switch cabinets and fixed switch cabinets;
1.4 The main circuit of the Circuit Breaker can be used in two ways: insulated cylinder and solid sealed pole.
1.5 Executive standards:
GB1984 "High Voltage AC Circuit breaker "
JB/T3855 "High Voltage AC Vacuum Circuit Breaker"
DL/T403 "Technical conditions for ordering 12kV-40.5 kV high voltage vacuum circuit breakers"
IEC62271-100 "High-voltage Switchgear and control equipment-Part 100: AC circuit breakers"
2. Normal use environment
3. Place of use: Indoor
4. Ambient temperature: -15℃~40℃
5. Altitude: not more than 1000m
6. Daily relative humidity (average): not more than 95%
7. Daily water vapor pressure (average value): not more than 2.2kPa
8. Monthly relative humidity (average): not more than 90%
9. Monthly water vapor pressure (average value): not more than 1.8kPa
Note: 1. The surrounding air is not obviously polluted by dust, smoke, corrosive or flammable gas, steam or salt mist;
2. Exceed the normal conditions of use, please consult with the manufacturer.
1.1 Suitable for three-phase AC, 50Hz, rated voltage of 12kV power system;
1.2 Can be used as a protection and control unit for industrial and mining enterprises and Substation equipment;
1.3 Can be used for KYN28-12 and other central Switch cabinets and fixed switch cabinets;
1.4 The main circuit of the Circuit Breaker can be used in two ways: insulated cylinder and solid sealed pole.
1.5 Executive standards:
GB1984 "High Voltage AC Circuit breaker "
JB/T3855 "High Voltage AC Vacuum Circuit Breaker"
DL/T403 "Technical conditions for ordering 12kV-40.5 kV high voltage vacuum circuit breakers"
IEC62271-100 "High-voltage Switchgear and control equipment-Part 100: AC circuit breakers"
2. Normal use environment
3. Place of use: Indoor
4. Ambient temperature: -15℃~40℃
5. Altitude: not more than 1000m
6. Daily relative humidity (average): not more than 95%
7. Daily water vapor pressure (average value): not more than 2.2kPa
8. Monthly relative humidity (average): not more than 90%
9. Monthly water vapor pressure (average value): not more than 1.8kPa
Note: 1. The surrounding air is not obviously polluted by dust, smoke, corrosive or flammable gas, steam or salt mist;
2. Exceed the normal conditions of use, please consult with the manufacturer.
NO. | Name | unit | DATA |
1 | Rated voltage | KV | 12 |
2 | 1 min power frequency withstand voltage (effective value) (interphase, ground, fracture) | KV | 42 |
Lightning impulse withstand voltage (peak value) (interphase, ground, fracture) | 75 | ||
3 | Rated current | A | 630、1250、1600 |
4 | Rated short-circuit breaking current | KA | 20 25 31.5 |
5 | Rated short circuit and current (peak value) | KA | 50 63 80 |
6 | Rated dynamic stable current (peak value) | KA | 50 63 80 |
7 | Rated thermal stability current | KA | 20 25 31.5 |
8 | Rated thermal stability time | S | 4 |
9 | Rated short-circuit current breaking times | times | 30 |
10 | Mechanical life | times | 30000 |
11 | Rated operating sequence | O-0.3S-CO-180S-CO | |
12 | Single capacitor breaking capacity | A | 630 |
13 | Back-to-back capacitor bank breaking capacity | A | 400 |
14 | Contact opening | mm | 11±1 |
15 | Contact stroke | mm | 3.5 ±0.5 |
16 | Three-phase opening synchronization | ms | <=2 |
17 | Bounce time of closing contact | ms | <=2 |
18 | Buffer stroke | mm | 10 |
19 | Center distance | mm | 210 250 275 |
20 | Average opening speed | m/s | 0.9-1.2 |
21 | Average closing speed | m/s | 0.5-0.8 |
22 | Conductive loop resistance | u 0 | <=50 630A <=45 1250A <=35 1600A |
23 | Accumulative allowable wear thickness of dynamic and static contacts | mm | <=3 |
ZN88A-12 series solid vacuum circuit breaker (hereinafter referred to as circuit breaker) is a three-phase indoor switchgear of AC 50Hz and rated voltage of 12 kV, used to control and protect the electric devices in industrial and mining enterprises, power plants, Transformer substations, meanwhile, it can be used for the locations where requires frequent operation.
* Accordance with GB1984-2014 < High-voltage alternating current circuit breakers >
* Accordance with JB3855-1996 < Indoor high-voltage alternating-current vacuum circuit breaker of 3.6-40.5kV >
* Accordance with DL403-91
* Conformity with relevant requirements of IEC62271-100
* Due to its integrated design of operating mechanism and body of circuit breaker, this circuit breaker not only can be us.
* ZN88A-12solid sealing pole of the use of environmentally friendly high strength insulation material, with an altitude of 2000 meters above sea level, a unique contact material and a plum blossom contact application, so that the ZN88A-12 sealed vacuum circuit breaker is suitable for medium pressure system of various occasions.
* All products have been tested in hundreds of times before the factory, to ensure the performance of the product is in the most stable state.
* The shape size and the type of the interlocking system are fully compatible with the domestic mainstream medium voltage switchgear KYN28 cabinet, and the design cost is greatly reduced.
* The use of advanced imported test equipment, the real record of the no-load mechanical characteristics of each product, and to provide users with these characteristics curve, to ensure the reliability of product quality.
* According to extend the GB1984-2014 electrical life of E2 level and prolong the life of machine m2 and volume of current switching has very low restrike probability C2 type test.
* Product assembly use fixture ensure size consistency, all products in the factory have been standard cabinet push test cabinet, to ensure the product interchangeability and versatility.
* Accordance with GB1984-2014 < High-voltage alternating current circuit breakers >
* Accordance with JB3855-1996 < Indoor high-voltage alternating-current vacuum circuit breaker of 3.6-40.5kV >
* Accordance with DL403-91
* Conformity with relevant requirements of IEC62271-100
* Due to its integrated design of operating mechanism and body of circuit breaker, this circuit breaker not only can be us.
ZN88A-12 uses a mature spring operating mechanism, stable, reliable, long life, simple operation, excellent corrosion
resistance, life expectancy is only minimal maintenance
resistance, life expectancy is only minimal maintenance
* ZN88A-12solid sealing pole of the use of environmentally friendly high strength insulation material, with an altitude of 2000 meters above sea level, a unique contact material and a plum blossom contact application, so that the ZN88A-12 sealed vacuum circuit breaker is suitable for medium pressure system of various occasions.
* All products have been tested in hundreds of times before the factory, to ensure the performance of the product is in the most stable state.
* The shape size and the type of the interlocking system are fully compatible with the domestic mainstream medium voltage switchgear KYN28 cabinet, and the design cost is greatly reduced.
* The use of advanced imported test equipment, the real record of the no-load mechanical characteristics of each product, and to provide users with these characteristics curve, to ensure the reliability of product quality.
* According to extend the GB1984-2014 electrical life of E2 level and prolong the life of machine m2 and volume of current switching has very low restrike probability C2 type test.
* Product assembly use fixture ensure size consistency, all products in the factory have been standard cabinet push test cabinet, to ensure the product interchangeability and versatility.
specification data
Main technical parameters | ||||||||
The Project Name | unit | parameter | ||||||
Rated Voltage | kv | 12 | ||||||
Rated Short-Time Working Frequency Withstand Voltage(1 Min) | kv | 42 | ||||||
Rated Lightning Shock Withstand Voltage(Peak) | kv | 75 | ||||||
Rated Frequency | Hz | 50 | ||||||
Rated Current | A | 630 1250 | 1600.2000.2500. 3150.4000.5000 | |||||
Rated Short Circuit Breaking Current | KA | 25 | 31.5 | 40 | ||||
Rated Short Time Withstand Current | KA | 25 | 31.5 | 40 | ||||
Rated Short Circuit Duration | S | 4 | 4 | 4 | ||||
Rated Peak Withstand Current | KA | 63 | 80 | 100 | ||||
Rated Short Circuit Closing Current | KA | 63 | 80 | 100 | ||||
Secondary Circuit Power Frequency Withstand Voltage(1Min) | V | 2000 | ||||||
Rated Single/Back-To-Back Capacitor Bank Seitchgear On And Off Current | A | 630/400(40KA is 800/400) | ||||||
Rated Capacitor Bank Closing Current | KA | 12.5(frequency≤1000Hz) | ||||||
Break-Brake Time | ms | ≤50 | ||||||
Closing Time | ms | ≤70 | ||||||
Mechanical Life | use number | 30000 | ||||||
Electrical Life | use number | GB1984-2003 | ||||||
Wear Thickness Of Dynamic And Static Contacts Is Allowed | mm | 3 | ||||||
Rated Closing Operating Voltage | V | AC110/220 DC110/220 | ||||||
Rated Tripping Operating Voltage | V | AC110/220 DC110/220 | ||||||
Rated Voltage Of Energy Storage Motor | V | AC110/220 DC110/220 | ||||||
Rated Power Of Energy Storage Motor | W | 90 | ||||||
Energy Storge Time | S | ≤15 | ||||||
Contact From | mm | 9±1 | ||||||
Over Travel | mm | 3.5±0.5 | ||||||
Contact Closing Bounce Time | ms | ≤2 | ||||||
Three-Phase Separation And Closing Are Not Of The Same Period | ms | ≤2 | ||||||
Average Breaking Speed(Contact Separatio-5Mm) | m/s | 0.9--1.3 | ||||||
Average Closing Speed(5Mm--Contact Closing) | m/s | 0.6--1.0 | ||||||
Break-Brake Overshoot | mm | ≤2 | ||||||
Main Circuit Resistance | μΩ | ≤50（630）， ≤45（1000/1250） ≤35（1600/2000），≤25（2500/3150）， ≤20（4000） | ||||||
Contact Closing Pressure | N | 3100±200（25-31.5KA）/4600±2500（40KA） | ||||||
Rated Operaing Order | O-0.3s-CO-180S-CO | |||||||
ZN88C-12 indoor AC high-voltage vacuum circuit breaker (hereinafter referred to as circuit breaker) is suitable for indoor switchgear of 12KV power system, as a protection and control unit for power grid equipment, industrial and mining enterprises, power equipment. Due to the special superiority of the ZN88C-12 vacuum circuit breaker, it is especially suitable for the places where the rated operating current is frequently operated, or the short-circuit current is broken multiple times. The series withdrawable handcart functional unit is used in conjunction with vacuum circuit breakers and other electrical equipment projects. The handcart is equipped with different primary element devices, which can have the functions of busbar connection, energy measurement, overload or short circuit protection of power equipment, and as a protection function unit during system maintenance.
ZN88C-12 circuit breaker adopts standardized design, with high interchangeability, and products of the same specification can be exchanged without adjustment, which is convenient for repair and maintenance. The operating mechanism adopts a modular design, which is integrated with the short circuit body. It has a reliable and perfect mechanical and electrical anti-misoperation interlocking system to ensure the safety of operation and maintenance.
3.2 Main circuit structure
The main circuit of the circuit breaker adopts a fully enclosed structure, and the main circuit components are installed
longitudinally in an insulating cylinder. The insulating cylinder is casted by epoxy resin using the APG process. It has good arc resistance, anti-aging, high strength characteristics, and can effectively To prevent the impact of external factors such as external force impact, polluted environment and other factors on the vacuum arc extinguishing chamber, at the same time increase the ability of the conductive circuit body to withstand dynamic and thermally stable current.
3.3 Operating mechanism
The operating mechanism is a spring energy storage mechanism, with a modular design, simple and reasonable structure, high mechanical strength and rigidity, thus ensuring that the mechanical performance of the circuit breaker is stable and reliable. The operating mechanism is composed of closing unit, opening, energy storage unit, indicating device and other parts. There are closing and opening buttons in the front, manual energy storage operation lever, spring energy storage status and closing and opening indication signs, etc. , The operation is simple and convenient.
3.4 Energy storage
The energy required for closing the circuit breaker is provided by the closing spring. The energy storage can be done either by the motor or by inserting the energy storage handle into the manual energy storage hole and shaking it clockwise for manual completion. At this time, the circuit breaker is ready for closing.
3.5 Closing
During the closing process, you can manually press the "closing button" or remote operation to make the closing electromagnet move the switch into the closing state. At this time, the switch displays "not stored" and the closing and opening indication " The auxiliary switch is switched to the closed position, and if the external power supply is also connected, it will enter the energy storage state again.
3.6 Open
Not only can press the opening button, but also can connect the external power supply to make the opening trip solenoid operate,the switch enters the opening state, and the energy stored by the contact spring and the opening spring separates the dynamic and static contacts of the arc extinguishing chamber. During the brake process, the hydraulic buffer absorbs the residual energy of the opening process and defines the position of the opening. The sign indicates the position of "minute". At the same time, the counter counts and the auxiliary switch is switched.
ZN88C-12 circuit breaker adopts standardized design, with high interchangeability, and products of the same specification can be exchanged without adjustment, which is convenient for repair and maintenance. The operating mechanism adopts a modular design, which is integrated with the short circuit body. It has a reliable and perfect mechanical and electrical anti-misoperation interlocking system to ensure the safety of operation and maintenance.
ZN88C-12 circuit breaker can be used as a fixed installation unit, or it can be equipped with a special propulsion echanism to form a handcart unit (which can be used in a fixed cabinet or a handcart cabinet). The design, manufacture and test of the circuit breaker comply with the following IEC, GB and DL standards.
ICE-60056 high voltage AC circuit breaker;
GB1984 AC high voltage circuit breaker;
DL/T403 12-40.5P internal high voltage circuit breaker order technical conditions;
GB/T11022 General technical requirements for high-voltage switchgear;
2.Environmental conditions
1. Ambient temperature: maximum temperature:+40 ~-15 degree.
2. Ambient humidity: daily average relative humidity: <=95%;
monthly average relative humidity: <=90%;
Daily average saturated vapor pressure: <=2.2 x10-3Mpa;
Monthly average saturated vapor pressure: <=1.8xl0-3Mpa;
3. Altitude is not higher than 1000m;
4. The seismic intensity does not exceed 8 degrees;
5. There is no dripping water, no flammable and explosion hazards, no chemical corrosive gas and no violent vibration; if the environmental conditions of the product use exceed the above regulations. Users can negotiate with our company to determine.
3.Circuit breaker structure and working principle
3.1 Main structure
The circuit breaker arranges the main circuit and the operating mechanism back and forth to form an overall layout. This
structural design can make the operating performance of the operating mechanism more consistent with the performance required for opening and closing the arc extinguishing chamber, and reduce unnecessary intermediate transmission links. Reduced energy consumption and early noise, reliable electrical and mechanical interlocking, making the operation performance of the circuit breaker more reliable, users can directly put into operation without adjustment.
ICE-60056 high voltage AC circuit breaker;
GB1984 AC high voltage circuit breaker;
DL/T403 12-40.5P internal high voltage circuit breaker order technical conditions;
GB/T11022 General technical requirements for high-voltage switchgear;
2.Environmental conditions
1. Ambient temperature: maximum temperature:+40 ~-15 degree.
2. Ambient humidity: daily average relative humidity: <=95%;
monthly average relative humidity: <=90%;
Daily average saturated vapor pressure: <=2.2 x10-3Mpa;
Monthly average saturated vapor pressure: <=1.8xl0-3Mpa;
3. Altitude is not higher than 1000m;
4. The seismic intensity does not exceed 8 degrees;
5. There is no dripping water, no flammable and explosion hazards, no chemical corrosive gas and no violent vibration; if the environmental conditions of the product use exceed the above regulations. Users can negotiate with our company to determine.
3.Circuit breaker structure and working principle
3.1 Main structure
The circuit breaker arranges the main circuit and the operating mechanism back and forth to form an overall layout. This
structural design can make the operating performance of the operating mechanism more consistent with the performance required for opening and closing the arc extinguishing chamber, and reduce unnecessary intermediate transmission links. Reduced energy consumption and early noise, reliable electrical and mechanical interlocking, making the operation performance of the circuit breaker more reliable, users can directly put into operation without adjustment.
3.2 Main circuit structure
The main circuit of the circuit breaker adopts a fully enclosed structure, and the main circuit components are installed
longitudinally in an insulating cylinder. The insulating cylinder is casted by epoxy resin using the APG process. It has good arc resistance, anti-aging, high strength characteristics, and can effectively To prevent the impact of external factors such as external force impact, polluted environment and other factors on the vacuum arc extinguishing chamber, at the same time increase the ability of the conductive circuit body to withstand dynamic and thermally stable current.
3.3 Operating mechanism
The operating mechanism is a spring energy storage mechanism, with a modular design, simple and reasonable structure, high mechanical strength and rigidity, thus ensuring that the mechanical performance of the circuit breaker is stable and reliable. The operating mechanism is composed of closing unit, opening, energy storage unit, indicating device and other parts. There are closing and opening buttons in the front, manual energy storage operation lever, spring energy storage status and closing and opening indication signs, etc. , The operation is simple and convenient.
3.4 Energy storage
The energy required for closing the circuit breaker is provided by the closing spring. The energy storage can be done either by the motor or by inserting the energy storage handle into the manual energy storage hole and shaking it clockwise for manual completion. At this time, the circuit breaker is ready for closing.
3.5 Closing
During the closing process, you can manually press the "closing button" or remote operation to make the closing electromagnet move the switch into the closing state. At this time, the switch displays "not stored" and the closing and opening indication " The auxiliary switch is switched to the closed position, and if the external power supply is also connected, it will enter the energy storage state again.
3.6 Open
Not only can press the opening button, but also can connect the external power supply to make the opening trip solenoid operate,the switch enters the opening state, and the energy stored by the contact spring and the opening spring separates the dynamic and static contacts of the arc extinguishing chamber. During the brake process, the hydraulic buffer absorbs the residual energy of the opening process and defines the position of the opening. The sign indicates the position of "minute". At the same time, the counter counts and the auxiliary switch is switched.
NO. | Name | unit | |
1 | Rated voltage | KV | 12 |
2 | [min power frequency withstand voltage (effective value) (interphase, ground, fracture) | KV | 42 |
Lightning impulse withstand voltage (peak value) (interphase, ground, fracture) | 75 | ||
3 | Rated current | A | 630、1000、1250、1600 2000、2500、3150 |
4 | Rated short-circuit breaking current | KA | 20 25 31.5 40 |
5 | Rated short circuit and current (peak value) | KA | 50 63 80 100 |
6 | Rated dynamic stable current (peak value) | KA | 50 63 80 100 |
7 | Rated thermal stability current | KA | 20 25 31.5 40 |
8 | Rated thermal stability time | S | 4 |
9 | Rated short-circuit current breaking times | times | 30 |
10 | Mechanical life | times | 30000 |
11 | Rated operating sequence | O-0.3S-CO-180S-CO | |
12 | Single capacitor breaking capacity | A | 630 |
13 | Back-to-back capacitor bank breaking capacity | A | 400 |
14 | Contact opening | mm | 9±1 |
15 | Contact stroke | mm | 3.5 ±1 |
16 | Three-phase opening synchronization | ms | w2 |
17 | Bounce time of closing contact | ms | w2 |
18 | Buffer stroke | mm | 10 |
19 | Center distance | mm | 210 250 275 |
20 | Average opening speed | m/s | 1.2 ±0.3 |
21 | Average closing speed | m/s | 0.6 ±0.2 |
22 | Conductive loop resistance | u 0 | W50 (630A-1250A) «40 (1600A-3150A) |
23 | Accumulative allowable wear thickness of dynamic and static contacts | mm | 3 |
ZN88C-12 I type side-mounted fixed vacuum circuit breaker is a new generation of 12K V vacuum circuit breaker with domestic leading level independently developed (patented product) by our company.
The main feature is the three-phase longitudinal arrangement of the main conductive circuit. At the same time, it creatively combines the operating mechanism of the circuit breaker, isolating switch and grounding switch into the same operating mechanism.
It has small size, compact structure, complete functions, reliable performance and no need. The advantages and characteristics of debugging.
The ZN88C-12 I side-mounted fixed vacuum circuit breaker fully complies with GB1984 and China's power industry standard D L403,and also meets the IEC62271-100 standard specifications and other relevant standards of major industrialized countries.
The ZN88C-12 I type side-mounted fixed vacuum circuit breaker has passed the following various tests to ensure its safe operation.
ZN88C-12 I type side-mounted fixed vacuum circuit breaker can be used in control and protection cables, overhead lines,
transformers, motors, generators and capacitor banks in power distribution systems.
Due to its small width and compact structure, the ZN88C-12 I side-mounted fixed vacuum circuit breaker is particularly suitable for application in box-type substations, outdoor boxes, XGN15-12 ring network cabinets and other miniaturized fixed switchgear cabinets.
Conditions of use
Normal use conditions
*Ambient air temperature +40°C--15°C
*Relative humidity <=95%
*altitude:Under normal use conditions, the maximum altitude of the equipment installation site is not higher than 1000 meters
*earthquake:Earthquake intensity does not exceed 8 degrees
*other:The surrounding air environment should not be significantly polluted by corrosive or flammable gases, water vapor, etc.No serious pollution and frequent severe vibration
Special conditions of use
For the use of circuit breakers under special conditions, users and manufacturers negotiate and obtain consensus.
Advantages and characteristics of supporting switchgear
1.Can be used with GN39-12 three-station isolating switch to realize the circuit breaker inlet and outlet scheme. The circuit
breaker inlet and outlet cabinets can be 500mm wide and 1800mm high.
The main feature is the three-phase longitudinal arrangement of the main conductive circuit. At the same time, it creatively combines the operating mechanism of the circuit breaker, isolating switch and grounding switch into the same operating mechanism.
It has small size, compact structure, complete functions, reliable performance and no need. The advantages and characteristics of debugging.
The ZN88C-12 I side-mounted fixed vacuum circuit breaker fully complies with GB1984 and China's power industry standard D L403,and also meets the IEC62271-100 standard specifications and other relevant standards of major industrialized countries.
The ZN88C-12 I type side-mounted fixed vacuum circuit breaker has passed the following various tests to ensure its safe operation.
Type test: power frequency withstand voltage, lightning impulse withstand voltage, temperature rise, short-term and peak withstand current, short-circuit current opening and closing ability, mechanical life and other tests.
Factory routine tests: mechanical characteristics test, main circuit power frequency withstand voltage test, auxiliary and control circuit insulation performance test, main circuit resistance test, interlock operation test, mechanical and electrical operation test.
ZN88C-12 I type side-mounted fixed vacuum circuit breaker can be widely used in power plant, power grid, metallurgy, chemical,urban infrastructure construction such as airport, building, subway and other projects.
Factory routine tests: mechanical characteristics test, main circuit power frequency withstand voltage test, auxiliary and control circuit insulation performance test, main circuit resistance test, interlock operation test, mechanical and electrical operation test.
ZN88C-12 I type side-mounted fixed vacuum circuit breaker can be widely used in power plant, power grid, metallurgy, chemical,urban infrastructure construction such as airport, building, subway and other projects.
ZN88C-12 I type side-mounted fixed vacuum circuit breaker can be used in control and protection cables, overhead lines,
transformers, motors, generators and capacitor banks in power distribution systems.
Due to its small width and compact structure, the ZN88C-12 I side-mounted fixed vacuum circuit breaker is particularly suitable for application in box-type substations, outdoor boxes, XGN15-12 ring network cabinets and other miniaturized fixed switchgear cabinets.
Conditions of use
Normal use conditions
*Ambient air temperature +40°C--15°C
*Relative humidity <=95%
*altitude:Under normal use conditions, the maximum altitude of the equipment installation site is not higher than 1000 meters
*earthquake:Earthquake intensity does not exceed 8 degrees
*other:The surrounding air environment should not be significantly polluted by corrosive or flammable gases, water vapor, etc.No serious pollution and frequent severe vibration
Special conditions of use
For the use of circuit breakers under special conditions, users and manufacturers negotiate and obtain consensus.
Advantages and characteristics of supporting switchgear
1.Can be used with GN39-12 three-station isolating switch to realize the circuit breaker inlet and outlet scheme. The circuit
breaker inlet and outlet cabinets can be 500mm wide and 1800mm high.
2. GN39-12 (ST) double-throw isolating switch can be used together. One switch cabinet can realize the function of dual power supply switching.
The dual power switch cabinet can be made 650mm wide and 2000mm high.
3. Compared with the traditional arrangement of components in the cabinet, due to the combination of circuit breakers,
disconnectors, grounding switches and door interlocking mechanisms on the same set of operating mechanisms, the
interlocking function is simple, reliable and very easy to install Convenient, no debugging required.
The dual power switch cabinet can be made 650mm wide and 2000mm high.
3. Compared with the traditional arrangement of components in the cabinet, due to the combination of circuit breakers,
disconnectors, grounding switches and door interlocking mechanisms on the same set of operating mechanisms, the
interlocking function is simple, reliable and very easy to install Convenient, no debugging required.
No. | item | unit | data | ||
1 | Rated voltage | 12 | |||
2 | Rated short-term power frequency withstand voltage (1min) | 42/48 | |||
3 | Rated lightning impulse withstand voltage (peak value) | 75/85 | |||
4 | Rated frequency | Hz | 50 | ||
5 | Rated current | A | 630 1250 | 630 1250 1250 1600 | |
6 | Rated short-circuit breaking current | 20 | 25 31.5 | ||
Rated short-time withstand current | 20 | 25 31.5 | |||
8 | Rated peak withstand current | 50 | 63 80 | ||
9 | Rated short-circuit making current (peak value) | kA | 50 | 63 80 | |
10 | 4S thermal stable current | 20 | 25 31.5 | ||
n | Rated dynamic stable current | 50 | 63 80 | ||
12 | Closed inrush current of rated capacitor bank | 12.5 （frequency less than 1000Hz） | |||
13 | Rated single/back-to-back capacitor bank breaking current | 630 / 400 | |||
14 | Rated short-circuit duration | S | 4 | ||
15 | Secondary circuit power frequency withstand voltage | 2000 | |||
Closing coil | v | AC110 / 220 DC110/220 | |||
16 | Rated operating voltage opening coil | V | AC110 / 220 DC110/220 | ||
Energy storage motor | AC110/220 DC110/220 | ||||
17 | Split time (rated voltage) | ms | 20-50 | ||
18 | Closing time (rated voltage) | 35-70 | |||
19 | Dynamic and respectable contacts allow the cumulative thickness of wear | mm | 3 | ||
20 | Energy storage time | S | <15 | ||
21 | K head distance | 10±1 | |||
22 | Supply itinerary | 3~4 | |||
23 | Head closing time | <2 | |||
24 | Different phases of three-phase opening and closing | <2 | |||
25 | Average opening speed' | ms | 0.9~1.3 | ||
26 | Average closing speed 2 | 0.4~0.8 | |||
27 | Contact opening rebound amplitude | mm | <3 | ||
28 | Dominant circuit resistance · | uQ | <50 (630A) <45 (1250A) | ||
29 | Salmon head closing contact pressure | N | 3100 ± 200(31.5kA) | ||
30 | Rated operation sequence 3 | O-0.3s-OC-180s・OC | |||
Welcome To SETN
Certificate
Our Project Market
Our Delivery
We can deliver the goods by air or sea. We can provide you with a good shipping company to facilitate your choice
Exporting Standard Packing.
Can offer bulk packing,Individual box packing
10 to 20 days delivery time, depends on your orders' quantity.
Exporting Standard Packing.
Can offer bulk packing,Individual box packing
10 to 20 days delivery time, depends on your orders' quantity.
FAQ:
1.Are you manufacture?
We are a professional factory with more than 20 years of experience,Our projects supplied to Airprot/Subway/Railway/power station.
2.What is your technical advantages?
Our engineers worked in the power distribution industry field for 20-30 years.In particular, in non-standard customization of electric field, High altitude, non-standard voltage frequency field.
3.What is your price advantages?
we have 3 branch factorier for electric components,all raw materials are one stop shopping,so we can save the value for you!
4.How about your Quality advantage?
We are 100% guarantee the quality for 3 years, provide 5% free rate of change.
5.How about your delivery time?
The delivery time with 7-10 working days after get your deposit.( the Qty depends on 10-20 sets),Our factory is located in Shanghai, the largest economic and trade center in China. In terms of quality and strength, we are both ahead of the market . we are belong to the port city.
6.We can accept payment way:TT/LC/DP/Alibaba insurance
1.Are you manufacture?
We are a professional factory with more than 20 years of experience,Our projects supplied to Airprot/Subway/Railway/power station.
2.What is your technical advantages?
Our engineers worked in the power distribution industry field for 20-30 years.In particular, in non-standard customization of electric field, High altitude, non-standard voltage frequency field.
3.What is your price advantages?
we have 3 branch factorier for electric components,all raw materials are one stop shopping,so we can save the value for you!
4.How about your Quality advantage?
We are 100% guarantee the quality for 3 years, provide 5% free rate of change.
5.How about your delivery time?
The delivery time with 7-10 working days after get your deposit.( the Qty depends on 10-20 sets),Our factory is located in Shanghai, the largest economic and trade center in China. In terms of quality and strength, we are both ahead of the market . we are belong to the port city.
6.We can accept payment way:TT/LC/DP/Alibaba insurance
Related Product
Contact Us
Product Categories : circuit breaker > circuit breaker
Premium Related Products
Other Products
Hot Products
Jerrcan Blow Molding MachineFolding Bottle Blow Molding Machine20L Double Station Automatic Blow Molding Machine10L Barrels Making Machine30L Accumulator Blow Molding Machine (TVHS-30L)1L Multilayer Four Station Semi Automatic Blow Moulding Machine with CEHigh-Speed Plastic Cap Compression Moulding MachinePlastic Injection MouldPlastic Preform Injection Moulding Machine (ZQ680-M6)Blow Molding of PET BottlePlastic Preform Mold/Injection MouldAutomatic Bottle Blow Moulding Machine (ZQ-M600-3)Water Bottle Blow Moulding Machine (ZQ-B600-4)small plastic extrusion blow molding machineFully automatic pet bottle blow moulding machine for handled bottlePET Bottle Rotary Stretch Blowing Machine - High Quality (ZQ-R12)